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Showing: 1 to 10 of 1910 matches for "what is stemming in mining"  Page   1   2   3   4   5   6   7   8   9  next TITLE Vari-Stem Blasthole Plugs Improve Blasting Patterns  SUMMARY ... and a lower- strength concrete plug is injected from the upper mining chamber ... plug could improve the pattern of explosives using different top stemming material ... PUBLISHED 2004 TITLE Stemming Machine Saves Kennecott Time and Money in Blasting Operations  SUMMARY ... Between 50% and 75% of the blasthole cuttings are used in the single-pass stemming opera- tion at Bingham Canyon, during which the forklift ... MINING ENGINEERS ... PUBLISHED 1976 TITLE Presplitting and Smooth-Wall Blasting in La Cananea Pit  SUMMARY ... During the course of mining, normal 9-in. ... two-foot sections of three boosters each, as previously described, separated by three-foot sections of stemming to a ... AUTHOR Brown, Calvin C. ; Bigando, John PUBLISHED 1972 TITLE Controlled Blasting on a Production Scale at Thunderbird Mine  SUMMARY ... re- chambering if required. An experienced mining engineer supervises the explosive loading and stemming. Each hole is loaded with ... AUTHOR Baxter, C. W. PUBLISHED 1972 TITLE Innovative Mining and Processing Are Topics at Colorado MPD Meeting  SUMMARY ... and a lower- strength concrete plug is injected from the upper mining chamber ... plug could improve the pattern of explosives using different top stemming material ... AUTHOR Kral, Steve PUBLISHED 2004 TITLE Underground Use Of Ammonium Nitrate - Fuel Oil Explosives  SUMMARY ... Tolls per room advance 900 425 6600 Ap rox. pct by weight dy- 4 9.7 la r amite primer of AN Stemming No Yes No, ... APRIL 1961, MINING ENGINEERIVG-377 Page 2. ... AUTHOR Ryon, John L., Jr. PUBLISHED 1961 TITLE Engineering Enrollment Report  SUMMARY ... Slight student interest in the mining field is seen by one authority as stemming from company atti- tude.' He says, "Most of the companies are controlled by ... PUBLISHED 1957 TITLE Rock Mechanics Issues In The Trona Patch  SUMMARY ... commonly known as the "trona patch," present an interesting set of mck medranics issues stemming from mining in a unique underground environment. ... AUTHOR Richardson, Archie PUBLISHED 1999 TITLE The development and application of strip mining to previously mined underground coal workings  SUMMARY ... CORTEX 25 kg EXPLOSIVE JOURNAL OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY ... thickness stemming top deck stemming middle deck:l: bottom deck:l: ... AUTHOR Laybourne, R.A. ; Watts, R. PUBLISHED 1990 TITLE Mining Method, Technique, And Cost Of Presplitting The Flood Control Gate Shaft, Littleville Dam, Huntington, Mass.  SUMMARY ... 1. Shaft sinking. 2 Mining engineering. I. Eilercsen, Nils ... 11 10. Explosive charge surrounded by stemming for presp1itting an average 48-foot hole ..... ... AUTHOR Paine, Rolf S. PUBLISHED 1965 Showing: 1 to 10 of 1910 matches for "what is stemming in mining"  Page   1   2   3   4   5   6   7   8   9  next Search Again